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I am trying to install Ubuntu 18.04 alongside Windows on this new hard drive (not new but I never used it before).

Here's how I formatted the disk (from Windows disk management)

  • Partition 1: 25GB
  • Partition 2: 47.68 GB (this is where I want to install Ubuntu)
  • Partition 3: .5 GB (Reserved)
  • Partition 4: 49.43 GB (Windows 10 boot)
  • Partition 5: 60GB
  • Unallocated: 282 GB

(all are NTFS partitions)

However the Ubuntu install screen shows something like this:

  • sdb1: 78GB (unknown)
  • sdb2: 600MB (NTFS)
  • sdb3: 53.1GB (NTFS)
  • sdb4: 368.4GB (NTFS, according to Windows it is unallocated)

As you can see, it's nothing like what Windows shows.

Any ideas why is this happening?

Edit: The lsblk command returns this:

NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
loop0    7:0    0   1.6G  0 loop /cdrom
loop1    7:1    0   1.5G  1 loop /rofs
loop2    7:2    0    91M  1 loop /snap/core/6350
loop3    7:3    0  19.3M  1 loop /snap/ubuntu-budgie-welcome/92
sda      8:0    0 465.8G  0 disk 
├─sda1   8:1    0   500M  0 part 
├─sda2   8:2    0     1K  0 part 
├─sda3   8:3    0 152.8G  0 part 
├─sda4   8:4    0 192.3G  0 part 
├─sda5   8:5    0  78.2G  0 part 
├─sda6   8:6    0    30G  0 part 
└─sda7   8:7    0    10G  0 part 
sdb      8:16   0 465.8G  0 disk 
├─sdb1   8:17   0    25G  0 part 
├─sdb2   8:18   0  46.9G  0 part 
├─sdb3   8:19   0   579M  0 part 
├─sdb4   8:20   0  49.4G  0 part 
└─sdb5   8:21   0  60.6G  0 part 
sdc      8:32   1  29.3G  0 disk 
└─sdc1   8:33   1  29.3G  0 part /isodevice

  • 1
    Welcome to Ask Ubuntu! Please edit your question to include the output of lsblk command from the Ubuntu live session (don’t forget to apply code formatting for pasted terminal text) and a screenshot of Windows disk management. I’m guessing you are using Dynamic volumes for Windows. – Melebius May 28 '19 at 6:37
  • @Melebius thanks for the reply. I have updated the question with the info you wanted. – binary10 May 28 '19 at 7:22
  • OK, so sdb seems to match your Windows layout. However, you seem to have another disk, sda? Do Windows show this disk? Have you selected the right disk in the Ubuntu installer? – Melebius May 28 '19 at 7:35
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    The lsblk command shows the correct disk layout, but for some reason the installer doesn't. – binary10 May 28 '19 at 7:40
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    Thanks for your suggestions Melebius and GabrielaGarcia. You guys are right. I was indeed using dynamic volumes for Windows. I just decided to create a new partition table from Ubuntu and everything worked. – binary10 May 28 '19 at 14:07
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As suggested in the comments, Ubuntu can't be installed on "Dynamic disks". They can be converted to basic disks using a third-party partition manager. See this question for more details:Ubuntu installation problem with dynamic disks

| improve this answer | |
  • If your answer is essentially a referral to another question, it would be better to flag this question as a duplicate of the other once you earned 15 reputation. If you have the reputation, don't forget to vote for the answer(s) there that you found useful! – Melebius May 29 '19 at 3:40
  • @Melebius done. This is a duplicate but I had no idea that Ubuntu can't be installed on "dynamic" disks when I posted this question. Thanks again! – binary10 May 29 '19 at 14:19

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